Deleted Syllabus of Class 10 CBSE 2025-26
Students studying in CBSE class 10, need to have a deep knowledge about the updated syllabus. During the pandemic in the year 2020, some portions of the syllabus got deleted. According to the Central Board of Secondary Education (CBSE), deleted syllabus of class 10 CBSE 2025-26 are for the convenience of students. Students can easily cover the remaining portions of the syllabus and would be able score good marks.
👉 Check Social Science Syllabus Here
Apart from this, there are many benefits of the deleted syllabus of class 10 CBSE 2025-26. Those benefits: help to improve overall score, can focus on all the subjects, timeline can be reduced etc. 30% of the syllabus got reduced which gives some relief to the students as they will have less number of complex questions to solve.
Deleted Syllabus of Class 10 CBSE 2025-26 PDF
Selfstudys website provides deleted syllabus of class 10 CBSE 2025-26 in a PDF form. As students read more and more from the latest CBSE syllabus, students will be able to score better than the marks scored during SA1, SA2, etc.. Syllabus in Portable Document Format (PDF) are easily and freely accessible to all students. This easy access to the syllabus can let students download from anywhere. Students don’t need to search for the syllabus and they don’t need to carry a physical copy of the syllabus. Physical copy of the syllabus is not needed as it can easily be downloaded through the devices: laptop, mobile phone, etc.The free access of the syllabus would be very useful for those students who need it the most. Subjects which are in the PDF form of the deleted syllabus are English, Science Maths etc.
Subject Wise Deleted Syllabus of Class 10 CBSE 2025-26
The syllabus is one of the most important tools during the preparation, it helps students to create their own path to score good marks in class 10 CBSE board. From the pandemic year, CBSE board follows the deleted syllabus of class 10 CBSE. The subject-wise reduced syllabus helps students to score better marks in each subject. Those subjects are:
Deleted Syllabus of Class 10 CBSE 2025-26 Science
Science subjects mainly describe the natural world, it includes Physics, Chemistry, Biology etc. To understand everything in detail, students need to study all the chapters included in the Science syllabus. Those chapters are Matter – Nature and Behaviour, Organization in the Living World, Motion, Force and Work, Food: Food Production. The marking distribution for these chapters are 25 marks, 22 marks, 27 marks, 06 marks respectively. Rest 20 marks are included in the internal assessments. According to the CBSE board, the deleted syllabus of class 10 CBSE 2025-26 Science is Periodic Classification of Elements.
Check Complete CBSE Class 10 Science Syllabus for 2025-26
CBSE Class 10 Science Deleted Syllabus 2025-26: Check the list of chapter-wise topics that have been removed from the syllabus below.
Chapter Name | Topics Deleted |
Periodic Classification (Full Chapter Deleted) | Need for classification, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties. |
Heredity and Evolution | Basic concepts of evolution: evolution; evolution and classification and evolution should not be equated with progress |
The Human Eye and the Colourful World | Application of scattering in explaining colour change of the sun at sunrise and sunset |
Magnetic Effects of Current | Electric Motor, Electromagnetic induction. Induced potential difference, Induced current. Fleming’s Right Hand Rule, Electric Generator, |
Sources of Energy (Full Chapter Deleted) | Different forms of energy, conventional and non-conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy. |
Management of Natural Resources (This chapter will not be assessed in the year-end examination. It needs to be prepared only for Internal Assessment.) | Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources. |
CBSE Class 10 Science Deleted Syllabus 2025-26: Check deleted exercises from NCERT Class 10 Science Book below:
Chapter Name |
Page No. |
Dropped Topics/Chapter |
Chapter 5: Periodic Classification of Elements |
79–92 |
Full chapter |
Chapter: 9 Heredity and Evolution (Chapter name replaced with: Heredity) |
147-158 |
Box item: Charles Robert Darwin Box item: Origin of life on earth Box item: How do fossils form layer by layer Box item: Molecular phylogeny 9.3 Evolution 9.3.1 An Illustration 9.3.2 Acquired and Inherited Traits 9.4 Speciation 9.5 Evolution and Classification 9.5.1 Tracing Evolutionary Relationships 9.5.2 Fossils 9.5.3 Evolution by Stages 9.6 Evolution Should Not Be Equated With ‘Progress’ 9.6.1 Human Evolution |
Chapter: 11 The Human Eye and the Colourful World |
188, 189, 196 and 197 |
Two box items: • Damage to or malfunction of any part of the visual system... • Why do we have two eyes for vision and not just one? 11.6.3 Colour of the Sun at Sunrise and Sunset |
Chapter: 12 Electricity |
201 |
Box item: ‘Flow’ of charges inside a wire |
Chapter: 13 Magnetic Effects of Electric Current |
232–237 |
Box item: Michael Faraday 3.4 Electric Motor 3.5 Electromagnetic Induction 3.6 Electric Generator |
Chapter: 14 Sources of Energy |
242–255 |
Full chapter |
Chapter: 16 Sustainable Management of Natural Resources |
266–280 |
Full chapter |
CBSE Class 10 Science Syllabus with Marking Scheme
Chapters |
Marks |
Matter – Nature and Behaviour |
25 |
Organisation in the Living World |
22 |
Motion, Force and Work |
27 |
Food; Food Production |
06 |
Total |
80 |
Internal Assessment |
20 |
Total |
100 |
English Deleted Syllabus Of Class 10 CBSE 2025-26
English is one of the most important subjects for all students who are studying in CBSE class 10. Questions in the English board exam are asked according to different sections. Those sections are Reading Comprehension, Writing Skill and Grammar, Literature. Marking schemes for these different sections are 20 marks, 20 marks, 40 marks respectively. Rest of the marks are included in the internal assessments that are 20 marks. According to the CBSE, the deleted syllabus of class 10 English has 3 chapters. Those chapters from the English First Flight book are the Hundred Dresses I, The Hundred Dresses Ii, Poem, Animals.
Check Complete CBSE Class 10 English (L & L) Syllabus for 2025-26.
SECTION | DELETED TOPIC(S) |
Grammar | Use of passive voice Clauses: Noun clauses, Adverb clauses, Relative clauses Preposition |
Creative Writing | Writing an analytical paragraph of 100-120 words based on given map/ chart/ graph/ cue(s) |
First Flight (Prose) | The Hundred Dresses - I The Hundred Dresses - II |
First Flight (Poetry) | Animals |
Footprints without Feet | The Hack Driver |
Apart from the given weightage, the other modifications are as follows:
OLD (2019-20) | NEW (2025-26) |
SECTION A
|
SECTION A
|
SECTION B
|
SECTION B
|
Not included previously | SECTION C Reference to the Context
|
SECTION C
|
SECTION C
|
CBSE Class 10 English Syllabus with Marking Scheme
Section |
Total Marks |
Reading Comprehension |
20 |
Writing Skill and Grammar |
20 |
Language Through Literature |
40 |
Total |
80 |
Internal Assessment |
20 |
Grand Total |
100 |
Deleted Syllabus of Class 10 CBSE 2025-26 Maths
Maths is considered to be one of the toughest subjects by students. Because it needs a lot of practice to score well in the class 10 CBSE board exam. Through regular practice, students can get a deeper knowledge of all the chapters. Those chapters are Number Systems, Algebra, Coordinate Geometry, Geometry, Trigonometry, Mensuration, Statistics and Probability. Some of the chapters and topics got reduced from the syllabus during the pandemic.
The deleted syllabus of class 10 CBSE 2025-26 Maths are Real Numbers- The division lemma of Euclid, Coordinate Geometry- Area of a triangle, Triangles- Proof of some theorems, Constructions- Full Chapter Deleted, Trigonometric Identities- Trigonometric ratios of complementary angles, Surface Areas and Volumes- Frustum of a cone.
Check Complete CBSE Class 10 Maths Syllabus for 2025-26
Chapter | Topics |
Real Numbers |
Euclid’s division lemma, Decimal representation of rational numbers in terms of terminating/non-terminating recurring decimals. |
Polynomials | Statement and simple problems on division algorithm for polynomials with real coefficients. |
Pair Of Linear Equations In Two Variable | Simple problems on equations reducible to linear equations. |
Quadratic Equations | No Deletion |
Arithmetic Progressions | No Deletion |
Coordinate Geometry | Area of a triangle |
Triangles |
Proof of the following theorems are deleted If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse, the triangles on each side of the perpendicular are similar to the whole triangle and to each other. The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides. In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides. In a triangle, if the square on one side is equal to sum of the squares on the other two sides, the angles opposite to the first side is a right angle. |
Circles | No Deletion |
Constructions | Full Chapter Deleted |
Introduction To Trigonometry | No Deletion |
Trigonometric Identities | Trigonometric ratios of complementary angles |
Heights And Distances | No deletion |
Areas Related To Circles | No deletion |
Surface Areas And Volumes |
Frustum of a cone. Problems involving converting one type of metallic solid into another and other mixed problems. (Problems with a combination of not more than two different solids be taken). |
Statistics | ·Step deviation Method for finding the mean · Cumulative Frequency graph |
Probability | No deletion |
List of deleted exercises from NCERT Class 10 Maths Book:
Chapter | Page No. | Dropped Topics/Chapters |
Chapter 1: Real Number | 2–7 15–18 | 1.2 Euclid’s division lemma 1.5 Revisiting rational numbers and their decimal expansions |
Chapter 2: Polynomials | 33–37 | 2.4 Division algorithm for polynomials |
Chapter 3:Pair of Linear Equations in Two Variables | 39–46 57–69 | 3.2 Pair of linear equations in two variables 3.3 Graphical method of solution of a pair of linear equations3. 4.3 Cross-multiplication method 3.5 equation reducible to a pair of linear equations in two variables |
Chapter 4: Quadratic Equations | 76–88 91–92 | 4.4 Solution of a quadratic equation by completing the squares |
Chapter6: Triangles | 141–144 144–154 | 6.5 Areas of similar triangles 6.6 Pythagoras theorem |
Chapter7: Coordinate Geometry | 168–172 | 7.4 Area of a triangle |
Chapter8: Introduction to Trigonometry | 87–190 193–194 | 8.4 Trigonometric ratios of complementary angles |
Chapter 9: Some Applications of Trigonometry | 195–196 205 | 9.1 Introduction |
Chapter 11: Construction | 216–222 | 11.1 Introduction 11.2 Division of a line segment 11.3 Construction of tangents to a circle 11.4 Summary |
Chapter12: Areas Related to Circles | 223 224–226 231–238 | 12.1 Introduction 12.2 Perimeter and area of acircle- A review 12.4 Areas of combinations of plane figures |
Chapter 13: Surface Areas and Volumes | 248–252 252–259 | 13.4 Conversion of solid from one shape to another 13.5 Frustum of a cone |
Chapter 14: Statistics | 289–294 | 14.5 Graphical representation of cumulative frequency distribution |
Chapter 15: Probability | 295–296 311–312 | 15.1 Introduction Exercise 15.2 (Optional) |
CBSE Class 10 Maths Syllabus with Marking Scheme
Unit Name |
Marks |
Number Systems |
06 |
Algebra |
20 |
Coordinate Geometry |
06 |
Geometry |
15 |
Trigonometry |
12 |
Mensuration |
10 |
Statistics and Probability |
11 |
Total |
80 |
Social Science Deleted Syllabus of Class 10 CBSE 2025-26
Social Science is the study of society, these are clearly explained in the sub-subjects. Sub-subjects are India and the Contemporary World – II, Contemporary India – II,Democratic Politics – II, Understanding Economic Development. Marks for these sub-subjects are 20 marks, 20 marks, 20 marks, 20 marks respectively. Rest 20 marks are included in the internal assessments.
Some of the chapters and topics are deleted from these sub- subjects during the pandemic. Deleted syllabus of class 10 CBSE 2025-26 are Resources and Development- Types of Resources and Box information, Manufacturing Industries- Jute textiles, Sugar industry, Iron Steel industry, and Cement industry, Democracy and Diversity, Challenges to Democracy, etc.
Check Complete CBSE Class 10 Social Science Syllabus for 2025-26
CBSE Class 10 Social Science Deleted Syllabus 2025-26: Check chapter-wise topics removed from the syllabus below:
Chapter | Deleted Topics |
India and the Contemporary World-II | |
No Deletion | |
Contemporary India – II | |
Chapter - Resources and Development | Types of Resources. |
Chapter - Forest and Wildlife | Biodiversity or Biological Diversity Flora and Fauna in India Vanishing Forests Asiatic Cheetah: Where did they go? The Himalayan Yew in trouble Project Tiger |
Chapter - Agriculture | Impact of Globalization on Agriculture |
Chapter -Manufacturing Industries | Industry Market Linkage Cotton Textiles, Jute Textiles, Sugar Industry Iron Steel Industry, Cement Industry |
Understanding Economic Development | |
No Deletion | |
Unit 3: Democratic Politics – II | |
Chapter - Democracy and Diversity | Full Chapter |
Chapter - Gender, Religion and Caste | image on page 46, 48, 49 of NCERT Textbook – Democratic Politics –II - reprinted edition 2020-2021) |
Chapter - Popular Struggles and Movements | Full Chapter |
Chapter - Challenges to Democracy | Full Chapter |
CBSE Class 10 Social Science Deleted Syllabus 2025-26: Check deleted exercises from NCERT Class 10 Social Science Book below:
India and the Contemporary World-II No Changes |
||
Contemporary India – II | ||
Chapter | Page No. | Dropped Topics/Chapters |
Chapter 1 - Resources and Development | 2–3, 11–12 | Types of Resources. Box information |
Chapter 2 - Forest and Wildlife | 14–18 | From second paragraph of ‘Flora and Fauna in India’ to ‘The Himalayan Yew in Trouble’, box information, Figs 2.1 and 2.2 |
Chapter 4 - Agriculture | 43–46 | Contribution of agriculture to the national economy, employment and output, Impact of globalisation on agriculture |
Chapter 6 -Manufacturing Industries | 64–66, 68–69, 71–73 | Contribution of industry to national economy, paragraphs from cotton textiles (India exports... fibre industry), Jute textiles (Challenges... products), Sugar industry (Major... baggase), Iron Steel industry (In 2019... consumer of steel; Though... and discuss), Cement industry (Improvement... industry) and Activity (pg. 72), Table 6.1, Figs 6.1, 6.2 and 6.5 |
Appendix | 93–94 | Appendix II |
Understanding Economic Development No Deletion |
||
Democratic Politics – II | ||
Chapter | Page No. | Dropped Topics/Chapters |
Chapter 3 - Democracy and Diversity | 29–38 | Full Chapter |
Chapter 4 - Gender, Religion and Caste | 46–48, 49 | Images on page 46, 48 and 49 |
Chapter 5 - Popular Struggles and Movements | 57–70 | Full Chapter |
Chapter 6: Political Parties | 76 | Full page |
Chapter 8 - Challenges to Democracy | 101–112 | Full Chapter |
CBSE Class 10 Social Science Syllabus with Marking Scheme
Units |
Marks |
India and the Contemporary World – II |
20 |
Contemporary India – II |
20 |
Democratic Politics – II |
20 |
Understanding Economic Development |
20 |
Total |
80 |
Internal Assessment |
20 |
Grand Total |
100 |
Hindi Deleted Syllabus of Class 10 CBSE 2025-26
Some of the chapters and topics are deleted from these sub-subjects during the pandemic. Check Complete CBSE Class 10 Hindi A Syllabus for 2025-26.
क्षितिज, भाग - 2 | काव्य खंड |
• देव - सवैया, कवित्त (पूरा पाठ) • गिरिजाकुमार माथुर - छाया मत छूना (पूरा पाठ) • ऋतुराज - कन्यादान (पूरा पाठ) |
गद्य खंड |
• महावीरप्रसाद द्विवेदी - स्त्री-शिक्षा के विरोधी कुतर्कों का खंडन (पूरा • सर्वेश्वर दयाल सक्सेना - मानवीय करुणा की दिव्य चमक (पूरा पाठ) |
|
कृतिका, भाग - 2 |
• एही ठैयाँ झुलनी हेरानी हो रामा ! (पूरा पाठ) • जार्ज पंचम की नाक (पूरा पाठ) |
CBSE Deleted Syllabus for Class 10 Hindi (Course B) 2025-26
नोट : निम्नलिखित पाठों से प्रश्न नहीं पूछे जाएँगे ।
पाठ्य पुस्तक स्पर्श, भाग-2 बिहारी - दोहे (पूरा पाठ ) महादेवी वर्मा - मधुर-मधुर मेरे दीपक जल (पूरा पाठ) अंतोन चेखव - गिरगिट ( पूरा पाठ ) पूरक पुस्तक संचयन, भाग-2 पुस्तक में कोई परिवर्तन नहीं। कोई भी पाठ नहीं हटाया गया है। |
How to Download Deleted Syllabus of Class 10 CBSE 2025-26?
All students who are studying in class 10 CBSE need to have free and easy access to the deleted syllabus of class 10 CBSE 2025-26. Some of the basic steps to download the syllabus from the Selfstudys website are:
- Open Selfstudys website.
- Bring the arrow towards CBSE, which is visible in the navigation bar.
- Pop up menu will appear, select the CBSE syllabus from the list.
- A new page will appear, select class 10th from the list of classes.
- Again a new page will appear, through this students can easily go through the deleted syllabus of class 10 CBSE 2025-26.
Features of Deleted Syllabus of Class 10 CBSE 2025-26
It is very essential for students to know everything about the deleted syllabus of class 10 CBSE 2025-26. Those features are:
- 30% of the syllabus was reduced due to the pandemic and the reduced syllabus is still being followed by CBSE. Without any further notice, the syllabus will not be reduced or increased.
- Marking schemes are divided according to unit wise and chapter wise for each subject. This will help students to identify which unit or chapter is more important to cover first.
- Books are prescribed according to the latest revised syllabus. Through the prescribed books students can complete the latest syllabus accordingly.
- Subjects which are included in the deleted syllabus of class 10 CBSE 2025-26 are English, Science, Social Science, Hindi, Maths, Sanskrit etc.
- Syllabus also gives details about all types of questions that can be asked in the CBSE class 10th board exam. Those types of questions are short answer type and long answer type. Marking schemes for these types of questions are 2 marks, 3 marks and 4 or 5 marks respectively.
Advantages of Deleted Syllabus of Class 10 CBSE 2025-26
During the pandemic, the syllabus was reduced for the convenience of students. The advantages of the deleted syllabus of class 10 CBSE 2025-26 are:
- It helps both teachers and students to complete the syllabus quickly. This can help students increase their overall score on the class 10 CBSE board.
- The syllabus acts as a guide for students to cover the concepts and topics included in the chapters. As through the syllabus, students can identify those topics which are not completed.
- The weightage of each chapter is clearly explained in the syllabus so that students can cover the syllabus accordingly.
- Short summaries for each chapter are explained which are included in the CBSE class 10 syllabus. The summary can help students to have a brief about the particular. This aids the students in completing chapters accordingly.
- Prescribed books for each subject: English, Science, Social Science etc are mentioned in the syllabus. So that students don’t face any difficulty in searching for books online or offline.
- A reduced syllabus will help students focus on both main subjects and secondary subjects without leaving any subjects behind.
- Timelines for each chapter in all the subjects are included in the syllabus. Teachers can complete their syllabus according to the given timeline for each chapter.
Preparation Tips for Class 10 Students
Students studying in CBSE class 10 should follow a preparation plan so that they can prepare for class 10 board exams smoothly. Preparation tips to score good marks are:
- The first and foremost step is to go through the deleted syllabus of class 10 CBSE 2025-26. Through this, students can learn about the latest syllabus and can study accordingly. Without going through the syllabus, students can’t start their preparation for class 10 board exams.
- Cover all the concepts and topics according to the latest syllabus of class 10 CBSE board. Students should have deep knowledge of all the topics and concepts in each and every subject. This knowledge can help students to get a good overall score.
- Practise questions from the CBSE class 10 sample paper, and the CBSE class 10 previous year paper. The practice of questions is very important for each and every subject. Regular practice is more important for the subject of Maths as practising can help to have deep knowledge of formulas and theorems.
- Solve as many questions as possible, this will help students to complete the exam before the given time.
- Try to solve all the doubts regarding the subjects so that there is no last-minute confusion in any of the chapters.
- At least complete all the topics and concepts before 2 to 3 months. This will let students revise the topics and concepts before the class 10 board exams. Last-minute revision can give way to a good overall score.
No, CBSE didn’t reduce the syllabus in the year 2025-26. CBSE syllabus was reduced during pandemic and the same is still followed till now. 30% of the syllabus was reduced, the reduction of the syllabus helps the students to cover all the remaining topics and concepts easily.
The most important use of the deleted syllabus of class 10 CBSE 2025-26 is that it helps students to score better in class 10 CBSE board exam. It helps students to concentrate on both compulsory subjects and secondary subjects.
According to the CBSE board, the removed syllabus of class 10 CBSE 2025-26 for the subject Maths are Constructions, Coordinate Geometry- Area of a triangle etc. Selfstudys provides the deleted syllabus of maths class 10 CBSE 2025-26 PDF. PDF form helps all students to be updated about the syllabus.
During the pandemic, the syllabus got reduced for the convenience of both teachers and students. The deleted syllabus of class 10 CBSE 2025-26 for the subject Social Science are Gender, Religion and Caste- Certain Images, Political Parties.
According to the CBSE board, the deleted syllabus of class 10 CBSE 2025-26 for the subject Science is Periodic Classification of Elements. This is the only chapter which got reduced during the pandemic.
Students can easily download the deleted syllabus of class 10 CBSE 2025-26 through the Selfstudys website. Steps to download are clearly explained in this article so that there is no difficulty.